Re: 12volt battery in a 6 volt system

Posted by scot_c on May 09, 2005 at 22:11:44 from (69.40.133.211):

In Reply to: 12volt battery in a 6 volt system posted by lekander883 on May 01, 2005 at 05:35:48:

the generator on my SM pushes 15 amps into my 12v battery at about 15 volts. I've heard the generators are good for up to 16 or 18 volts. I got a resistor from auto zone for a 85 dodge pickup (v8 external resistor, they need that much info) it's got a mount hole and was cheap(under 5 bucks). I cut a small peice of metal and drilled 2 holes in it to mount it beside the coil, would post a picture if i had a digital camera. As far as the starter, low voltage will burn up an electric motor faster than high voltage because it will heat up more trying to spin the motor fast enough to start. I wouldn't go pushing 18 or 24 volts into the starter but 12 won't hurt it unless it's already gone. My SM starts in 3 cranks and that might take 3 seconds of crank time, never did that running 6 volt. My next conversion will be using a small chrysler altenator and voltage regulator to see how well that works.

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